Quarterly report pursuant to Section 13 or 15(d)

8. Fair Value Measurements - Schedule of Significant Assumptions Used and Related Fair Values for Warrants (Details)

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8. Fair Value Measurements - Schedule of Significant Assumptions Used and Related Fair Values for Warrants (Details) - Original issuance 7/3/2012 [Member] - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2017
Dec. 31, 2016
Exercise price $ 6.09 $ 6.09
Volatility 38.20% 40.90%
Risk free interest rate 0.76% 0.62%
Term (years) 3 months 4 days 6 months
Market Discount 7.60% 11.30%
Warrants Outstanding 211,000 211,000
Fair value $ 196 $ 651